baber/WOPTO huggingface dataset:
Patent JP-2001060942-A (JP)
Title: Digital signal processor
Inventor: KUWAOKA TOSHIHARU
IPC: H03L7/00
Filed: 1999-08-20
Abstract: PROBLEM TO BE SOLVED: To reduce the cost, to eliminate the adverse influence of mix modulation and to satisfactorily read data from each of digital signals without the need of plural PLL circuits corresponding to the respective digital signals even if the plural digital signals of the same format in a synchronized state are simultaneously transmitted/received, for example. SOLUTION: Word sync detection circuit 4 and 14 detect word sync from each digital signal. A reference clock generation circuit 6 generates the reference clock of a frequency which is sufficiently higher than the transmission bit rate of each of the digital signals. Bit reading clock generation circuits 5 and 15 generate the bit reading clocks of the digital signals based on the word sync of the digital signals and the reference clock.
Patent JP-2000068614-A (JP)
Title: Circuit board and liquid crystal display device using that
Inventor: MURAMATSU EIJI
IPC: H05K1/02
Filed: 1998-08-20
Abstract: PROBLEM TO BE SOLVED: To make it possible to connect wirings on a substrate having flexibility with each other without using a jumper chip. SOLUTION: In a circuit board 10, first and second wirings 18 and 32 are printed on a flexible substrate 14. This circuit board 10 is constituted into a structure, wherein one part of the wiring 18 comprising a first widened part 22 is cut out along with the substrate 14 to form a tongue-shaped part changed into a free end in the widened part 22 of the wiring 18, the widened part 22 is brought into contact with a second widened part 36 of the wiring 32 by folding back the tongue-shaped part and the wirings 18 and 32 are formed so as to be able to connect with each other. Moreover, the second widened part 36 is provided with an insertion part, which receives the free end of the tongue-shaped part.
Patent JP-H0893817-A (JP)
Title: Changer device
Inventor: IWASAKI TAKAO
IPC: F16D71/00
Filed: 1994-09-29
Abstract: PURPOSE: To enable media to stop in a predetermined position with high accuracy regardless of its moving distance in a changer device provided with the carrying means to carry the media stored in a magazine in a specified position, by providing a damping means to damp the carrying means at predetermined intervals during the moving period of the carrying means. CONSTITUTION: In the changer mechanism of a CD player, etc., a reader part 2 is moved in a predetermined tray position after one desired disc is selected. When this movement control is executed, firstly, the moving direction and distance of the reader part 2 are respectively calculated from its present position and its target position. Nextly, a motor 32 is driven so as to carry the reader part 2 according to the calculated result, so that a slit 31 is laterally moved and the reader part 2 is moved in a vertical direction through a pin 21. Lastly, the reader part 2 is judged if it reaches the target position, and if the judgement is NO, reverse voltage is impressed to the motor 32 for specific time, and so on, so that damping is operated on for the specific time when a timer set to damp at predetermined time intervals passes for predetermined period of time.
Patent JP-H0892179-A (JP)
Title: Production of 5-aminolevulinic acid
Inventor: UEKI HIROYUKI
IPC: B01J23/46
Filed: 1994-09-29
Abstract: PURPOSE: To industrially and advantageously obtain the compound useful as a raw material for various chemicals by photooxidizing an N-protected furfurylamine to give a reaction product, without isolation, reducing the reaction product as it is and hydrolyzing. CONSTITUTION: A furfurylamine of formula I (R<1> and R<2> are each an amino- protecting group such as acyl) is reacted with molecular oxygen which is produced by light irradiation in the presence of a sensitizer such as rose bengal in a solvent such as pyridine by using a tungsten-halogen lamp to give a reaction mixture containing an oxidation product of formula II (R3 is H or an alkyl). The solution of the mixture as it is hydrogenated in the presence of a catalyst such as a Pd-based or a Ni-based catalyst to provide a reduction product containing a hydride of formula III. Then the catalyst is removed by filtration, the solvent is distilled away, the prepared solid is hydrolyzed as it is or preferably by using an acid such as acetic acid to give the objective compound (salt) of formula IV. The compound is useful as an intermediate for producing hem, vitamin B12 , cytochrome, etc.
Patent JP-H1150322-A (JP)
Title: Lighting cap or helmet
Inventor: AKAOKA NORIO
IPC: A42B1/24
Filed: 1997-07-28
Abstract: PROBLEM TO BE SOLVED: To provide a lighting cap capable of automatically shining the top of the head in a beautiful color tone even in the dark by wearing the cap as opposed to a conventional cap or helmet and enabling a person to know the presence of the cap even from a great distance. SOLUTION: This cap or helmet is obtained by attaching an electric lamp onto the cap or helmet B, covering the top surface thereof with a thin sheet A of a plastic having high transparency, attaching power sources by a number of suitable positions between the cap or helmet B and the thin sheet A, attaching a switch F to the inside of the cap or helmet B so as to automatically light the electric lamp by wearing the cap or helmet B and automatically put out the electric lamp by taking off the hat or helmet B. The thin sheet A and the cap or helmet B can simply be installed and removed and the plastic thin sheet A has high transparency as much as possible. Furthermore, the thin sheet A of various beautiful color tones is used so as to enable a stronger appeal of the presence thereof.
Patent JP-H1082233-A (JP)
Title: Sash
Inventor: SHIBAZAKI TADAO
IPC: E05C17/24
Filed: 1996-09-05
Abstract: PROBLEM TO BE SOLVED: To simplify mounting and demounting of a shooji (Japanese paper- made sliding door) with a friction stay and to effect the mounting and demounting operation through an individual work. SOLUTION: A shooji (Japanese paper-made sliding door) to be opened and closed around a pivot in an indoor direction and an outdoor direction is coupled to a window frame in a manner to hold an opening angle by a friction stay and a rail of which the shooji is comprised or a slide part 26 to slide a window frame simultaneously with slide of a stay 24 is arranged at the end, on the opposite side to a fixing fulcrum, of the stay 24 of the friction stay. Further, guide parts 35a and 35b in which the slide part 26 is fitted to guide the slide part are integrally arranged in the rail or at the window frame, and by elastically deforming the slide part 26 according to the guide parts, the slide part 26 is insertable from an opening direction.
Patent JP-S60126627-A (JP)
Title: Color display device and driving method thereof
Inventor: TANI KAZUTSUKA
IPC: G09G3/18
Filed: 1983-12-14
Abstract: PURPOSE:To obtain a display having high contrast by using an element formed by filling a liquid crystal dissolved with a dichromatic dye and electrochromic dye (EC dye) having roughly the same coloring hues between a pair of electrode plates and driving said element by the waveform voltage superposed with an AC voltage on a DC voltage. CONSTITUTION:A display material 3 prepd. by dissolving a red dichromatic dye exhibiting strong light absorption in the short axis direction of the molecule such as, for example, 3-(4-n-bentyl phenyl)-6-(4-cyanophenyl)-1,2,4,5-tetrazine, 2-butylanthraquinone coloring by reduction to roughly the same red color as the red color of said dye and a supporting electrolyte, for example, N(C4H9)4I in a nematic liquid crystal having positive dielectric anisotropy is sealed between base plates 2 and 2 provided with electrodes 1. The waveform voltage superposed with several tens-several kilo Hertz AC voltage having + or -VA amplitude on DC voltage V0 is impressed between the electrodes 1 and 1 to color the element. The impressed voltage is made zero or the DC voltage having a reverse polarity and the coloring threshold value of the EC dye or below is impressed therebetween to decolor the element. The device which has high contrast and a long working life and displays various colors is thus obtd.
Patent JP-S61112958-A (JP)
Title: Oxygen sensor
Inventor: SHIRAISHI HIDEO
IPC: G01N27/409
Filed: 1984-11-08
Abstract: PURPOSE:To facilitate mechanical holding by using a lead-out wire, by strongly connecting the lead-out wire, which is connected to an electrode, to an oxygen ion conductor. CONSTITUTION:Through-holes 2 each having a diameter of 0.3mm are formed to green sheets 11, 12 by punching and a conductive paste comprising a platinum/rhodium alloy is printed on the through-holes 2 in the surface side of both green sheets 11, 12 to form through-hole conductors 3. Thick film leads 4 are also formed to the back sides of both green sheets in the same way. The leading end of platinum lead-out wire 5 of a terminal part 4 are processed into a rectangular cross-sectional shape to be placed to the lead 4 and a green sheet 13 is superposed thereon while both green sheets 11, 13 are laminated to hold one terminal of the platinum wire 5 between the green sheets 11, 13 and the thick film lead 4 and the leading end of the platinum wire 5 are embedded in the green sheets by pressing force. The same operation is performed with respect to green sheets 12, 14 and both sheets are laminated to hold the other platinum lead-out wire 5. The laminated sheets 11, 13 and 12, 14 are laminated and again pressed to obtain a molded body of an oxygen ion conductor 1 and the lead-out wires and the ion conductors are bonded mechanically and strongly.
Patent JP-H0685387-A (JP)
Title: Semiconductor multilayer structure
Inventor: TSUCHIYA TOMONOBU
IPC: H01S5/00
Filed: 1992-09-03
Abstract: PURPOSE:To relax a stress in the interfaces in a semiconductor multilayer structure and to decrease steps and defective cleavages in the interfaces by a method wherein a strain in the reverse direction to an active layer is applied to guide layers or a guide layer in the vicinity of the active layer. CONSTITUTION:An N-type InP buffer layer 2, an N-type InGaAsP guide layer 3 (the amount of a strain -0.2%), a strained MQW layer 6 (five periods, a strained InGaAs layer 5, the amount of a strain + 1%), an InGaP burrier layer 4, a P-type InGaAsP guide layer 7 (the amount of a strain -0.2%), a P-type InP clad layer 8 and a P-type InGaAsP cap layer 9 are grown in order on an N-type InP substrate 1 by an organometallic vapor growth method. Thereby, a reverse stress to a stress in the inerfaces can be applied to the guide layers compared with the time when the guide layers are formed into matching layers and defective cleavages at the time of cleavage can be reduced.
Patent JP-2001060646-A (JP)
Title: Semiconductor device
Inventor: KURODA MASAHIRO
IPC: H01L23/373
Filed: 1999-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device where crackings or warpages are few. SOLUTION: A semiconductor device is equipped with a region, which is formed to house a circuit element such as a transistor chip 15, frames 12 and 13 whose parts where penetration sections of Kovar (R) leads 14a and 14b are formed of a ceramic, and a metal heat sink 18, where the metal heat sink 18 is formed of Cu having Vickers hardness 50 or below.
Patent JP-H04116600-A (JP)
Title: Voice information compressing method
Inventor: YAMAZAKI KATSUYA
IPC: G10L19/00
Filed: 1990-09-07
Abstract: PURPOSE:To quantize part of information determining the features of the whole zero-phase shifted fundamental waveform and to generate the whole zero-phase shifted fundamental waveform on a composition side from the information by reproducing a part which is not quantized with representative data which has necessary length, and superposing it in each repetition pitch cycle and synthesizing a voice. CONSTITUTION:A transmission part 14 multiplexes a pitch cycle 8, a maximum amplitude 11, and a vector index 13 and sends them to a reception part 16 through a transmission line 15. On a reception side, the vector index 13 received by a reception part 16 is reproduced by a reverse quantization part 17 and converted into normalized waveform data 18, and a reproduction part 19 finds reproduced waveform data 20 with a maximum amplitude 11' received by the reception part 16. A superposition part 21 superposes the reproduced waveform data 20 in each pitch cycle 8' received by the reception part 16, copies it to a voice waveform, and sets the result as frame-length synthesized voice data 22 in a two-plane buffer memory 23 for output. Consequently, all data can be reproduced on the reception side although only part of information is used on the transmission side.
Patent JP-H0792870-A (JP)
Title: Method and device for forming image
Inventor: TAKAHASHI KOJI
IPC: G03G21/08
Filed: 1993-09-22
Abstract: PURPOSE:To provide an inexpensive method and device for forming an image which suppresses a decrease in surface potential when a photoreceptor get fatigued, without providing the device with a blocking layer. CONSTITUTION:The image forming device is equipped with: the photoreceptor 11 which has sensitivity in a long-wavelength area; an electrifier 12 for electrifying the photoreceptor 11; a laser exposure system 21 for forming a latent image on the surface of the photoreceptor 11 electrified by the electrifier 12; a developing device 13 for supplying developer to the latent image formed by the laser exposure system 21, thereby developing the image; a transfer device 14a for transferring the image developed by the developing device 13 to a transfer material; and a destaticizing device 22 which, after the image transfer by the transfer device 14a and prior to the electrification by the electrifier 12, subjects the photoreceptor 11 to exposure for destaticization with long-wavelength light, a half-exposure of E/2X6erg/cm<2>, according to the sensitivity of the photoreceptor 11.
Patent JP-H0291289-A (JP)
Title: Polyacetal rope
Inventor: KOMATSU TAMIKUNI
IPC: D07B1/02
Filed: 1988-09-22
Abstract: PURPOSE:To obtain the subject flexible rope, having a high strength and low elongation without buckling and excellent in durability and corrosion resistance by using a linear substance, having a specific tensile breaking strength and elongation and containing a polyamide elastomer in a specific proportion. CONSTITUTION:The objective rope, obtained by using a linear substance containing 1-30wt.% polyamide elastomer (e.g., a block copolymer consisting of nylon 6 segments and polyalkylene oxide segments) having >=130kg/mm<2>, preferably 140-200kg/mm<2> tensile breaking strength, <=8%, preferably 2-7% tensile breaking elongation and >=20 GPa tensile elastic modulus as a wire material, having own lightweight and capable of withstanding use in seawater in addition to conventional use with suppressed voids and fibrillation.
Patent JP-H04115146-A (JP)
Title: Inspecting device for soldering and soldering inspection correction apparatus provided with same
Inventor: TAMURA KAZUO
IPC: G01N21/88
Filed: 1990-09-06
Abstract: PURPOSE:To achieve an inspection of incomplete parts of a solder pattern by binary coding an image signal of the rear taken of a printed packaged substrate to compute an area ratio of a black or white pattern of a binary coded image of a portion corresponding to a soldered part. CONSTITUTION:When a printed packaged substrate 2 is placed on a transporting conveyor 1 with the rear thereof downward, the rear of the substrate 2 is taken with a camera device 6 while an image signal from the camera device 6 is binary coded with an image processor 9. Subsequently, a binary coded image is extracted with the image processor 9 at a portion corresponding to a soldered part of the substrate 2 and an area ratio of a black or white pattern in the binary coded image of the portion is compared with a reference value for judging the quality of the soldering to detect a pit point caused by incomplete soldering. In other words, when the soldering is incomplete, the pit points are displayed as black pattern to increase the black area. Thus, a larger black area leads to a judgment that the soldering is incomplete thereby enabling automation of inspection of incomplete parts of the solder pattern.
Patent JP-S6390274-A (JP)
Title: Magnatic tape recording and reproducing system
Inventor: MIHASHI YASUO
IPC: H04N5/7826
Filed: 1986-10-02
Abstract: PURPOSE:To simultaneously record more than two video signals an to perform the role of two sets by one set of VTR by writing one of the plural different video signals in a memory circuit and recording the other video signal on one frame or one field magnetic tape. CONSTITUTION:The video signals of a video camera A21 are thinned out for every one frame via the camera A terminal of an analog switch 25, applied to a YC demodulating circuit 26, amplified in a recording amplifier 27 and applied to a video head on a drum 1. The video signal of the video camera B22 is applied to an A/D converting circuit 8 through a buffer video amplifier B24, the fixed terminal (b) and the movable terminal (c) of a video switch 7, converted into a digital signal and information of one frame is stored in the memory circuit 9. The information written in the memory circuit 9 is transmitted to a D/A converting circuit 10 according to the output signal of a synchronization separating circuit 28 separated from the video signal of the video camera A21 and the operation of a sequence control circuit 12.
Patent JP-H0655905-A (JP)
Title: Heavy-load tire
Inventor: YAMAHIRA ATSUSHI
IPC: B60C9/18
Filed: 1992-08-11
Abstract: PURPOSE:To suppress belt end peeling off to promote regeneration of a tire in a heavy-load tire under a specific aspect ratio. CONSTITUTION:This tire is equipped with a belt layer 7 consisting of plural belt plies outside a carcass 6, and the belt layer 7 contains the maximum width belt ply 7A and a neighboring belt ply 7B provided in the neighbor of the belt ply 7A and whose belt cords are arranged in the different direction relative to the belt cords of the belt ply 7A and the tire equator. The ply width WB of the maximum width belt ply 7A is set 0.72-0.8 times of the tire width W. Moreover, the ratio Y/D of a diameter D of a belt cord to the shortest distance Y between a belt cord of the belt ply 7B and a belt cord of the belt ply 7A is set 2-3.4, at the outer end of the neighboring belt ply 7B.
Patent JP-S6296010-A (JP)
Inventor: ISHIDA ISAO
IPC: A01C11/02
Filed: 1985-10-22
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H1144343-A (JP)
Title: Dynamic damper for exhaust pipe of automobile
Inventor: SATO MITSURU
IPC: F16F15/08
Filed: 1997-07-25
Abstract: PROBLEM TO BE SOLVED: To provide a dynamic damper for an exhaust pipe of an automobile which has a support function of the exhaust pipe to a body. SOLUTION: A dynamic damper is composed of a weight 11 and an elastic body 12, and restrains resonance vibration of an exhaust pipe. An upper side installing metal fitting 15 is installed on a body by respectively installing installing metal fittings 15 and 18 in upper and lower end parts of the elastic body 12, and the exhaust pipe is supported by a lower side installing metal fitting 18, and a tuning frequency regulated by a spring constant of the elastic body 12 and a mass of a mass body is set to a resonance frequency of the exhaust pipe to be damped.
Patent JP-2000059201-A (JP)
Title: Semiconductor device and its data output method
Inventor: KOBAYASHI KATSUTARO
IPC: G11C11/417
Filed: 1998-08-10
Abstract: PROBLEM TO BE SOLVED: To keep a leading time and a trailing time of output data constant by providing plural output circuits that output signals to an output terminal and a selection circuit that selects or does not select each output circuit or other circuits to the device. SOLUTION: Data are given to inverters INV1-INV3 that adjust a leading time and a trailing time of output data. Drive signals ga-gc are given respectively to output transistors(TRs) TRa-TRc via output current adjustment switches swa-swc. Then the output TRs TRa-TRc are switched on or off depending on a level of the drive signals ga-gc to deliver the data to an output terminal. Then the inverters INV1-INV3 that adjust a leading time and a trailing time of output data are controlled by adjustment signals SL1p-SL3p, SL1n-SL3n to act like conventional inverter components in the case of selection and like high impedance components in the case of non-selection. Thus, the circuit scale is made small.
Patent JP-H03103093-A (JP)
Title: Circuit and method for control of direct current motor
Inventor: MOTODA KENRO
IPC: H02P7/29
Filed: 1989-09-14
Abstract: PURPOSE:To control the speed and perform braking both in normal and reverse rotation by connecting series circuits consisting of braking resistors and reverse- element-type switching elements to both input terminals of a DC motor and consuming load torque as heat in said braking resistors. CONSTITUTION:Series circuits consisting of braking resistors RS1 and RS2 and reverse-element-type switching elements 7 and 8 such as thyristers are connected between the input terminals of a DC motor 2 with the polarities of said series circuits reverse to each other. Reverse-conduction-type switching elements 3 and 4 of reverse parallel connection consisting of reverse-element-type switching elements 5 and 6 such as thyristers and diodes D1 and D2 are connected between an AC power source 1 and the terminals M and N of the motor 2. The conduction angle of the switching element 5 or 6 is regulated to control the speed, and the conduction angle of the switching element 7 or 8 is regulated to make the braking resistor RS1 or RS2 consume the torque of the motor 2 as heat and to control braking. Thereby speed control and braking control both in normal and reverse rotation are facilitated.
Patent JP-S6394065-A (JP)
Title: Intake air cooler for internal combustion engine
Inventor: HORII KINGO
IPC: B60H1/32
Filed: 1986-10-07
Abstract: PURPOSE:To lower the temperature of supply air, by providing an independent storage tank in a cooling medium circulation path for a super charged air cooler while arranging a cooling medium path for air-conditioner in said storage tank and cooling the cooling medium in the storage tank is accordance with the operating condition. CONSTITUTION:An inter-cooler 30 for cooling the supercharged air fed from a supercharger 7 is coupled with a cooling water circulation system comprising a cooling water path 32, a cooling water pump 34, a storage tank 33, a bypath 68 and a three-way changeover valve 69. An evaporator section 33a where coolant is led in through a solenoid valve 66 from the downstream of a condenser 48 in an air-conditioner cooling medium circulation system is arranged in the storage tank 33. The cooling pump 34 and the solenoid valve 66 are controlled based on an output from a temperature sensor 77 such that the temperature of the inter-cooler cooling water will be 10 deg.C-30 deg.C, for example, while when the vehicle speed is higher than 40km/h and the opening of throttle valve is larger than 40%, the three-way changeover valve 69 is switched to lead the cooling water being sustained at low temperature to the inter-cooler 30.
Patent JP-H0771397-A (JP)
Title: Land pump
Inventor: SAYAMA IWASAKU
IPC: F04D13/06
Filed: 1993-08-31
Abstract: PURPOSE:To improve safety by way of flowing liquid leaked from a pump part outside to prevent its flowing into a motor part, to facilitate assembly work and disassembly work by way of reducing the number of parts and to detect leakage of liquid from the pump part by a liquid leakage sensor CONSTITUTION:An intermediate wall 3 shared by a motor casing of a motor part M and a pump casing of a pump part P is made watertight against a shaft 1, the shaft 1 of a part of the intermediate wall 3 is exposed, simultaneously, a flowing port 3hd to flow liquid leaked from the pump part P outside at a part of a mechanical seal 16 to make the shaft 1 and the intermediate wall 3 watertight is provided on the intermediate wall 3, and a flat surface part 1f facing an exposed part of the shaft 1 is provided on the flowing port 3hd.